NTSB investigations, 2004, MT
180,610 investigations by the National Transportation Safety Board since 1962: 174,589 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.
Cases per year
| 1963 | 2 |
|---|---|
| 1964 | 78 |
| 1965 | 73 |
| 1966 | 87 |
| 1967 | 82 |
| 1968 | 61 |
| 1969 | 56 |
| 1970 | 67 |
| 1971 | 55 |
| 1972 | 46 |
| 1973 | 49 |
| 1974 | 59 |
| 1975 | 61 |
| 1976 | 60 |
| 1977 | 61 |
| 1978 | 57 |
| 1979 | 50 |
| 1980 | 46 |
| 1981 | 52 |
| 1982 | 57 |
| 1983 | 37 |
| 1984 | 38 |
| 1985 | 42 |
| 1986 | 34 |
| 1987 | 27 |
| 1988 | 31 |
| 1989 | 26 |
| 1990 | 32 |
| 1991 | 28 |
| 1992 | 29 |
| 1993 | 25 |
| 1994 | 29 |
| 1995 | 26 |
| 1996 | 23 |
| 1997 | 29 |
| 1998 | 38 |
| 1999 | 24 |
| 2000 | 28 |
| 2001 | 18 |
| 2002 | 25 |
| 2003 | 23 |
| 2004 | 29 |
| 2005 | 21 |
| 2006 | 33 |
| 2007 | 28 |
| 2008 | 20 |
| 2009 | 16 |
| 2010 | 14 |
| 2011 | 21 |
| 2012 | 17 |
| 2013 | 29 |
| 2014 | 21 |
| 2015 | 20 |
| 2016 | 18 |
| 2017 | 12 |
| 2018 | 14 |
| 2019 | 15 |
| 2020 | 19 |
| 2021 | 18 |
| 2022 | 14 |
| 2023 | 16 |
| 2024 | 18 |
| 2025 | 24 |
| 2026 | 15 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE year(c.\"eventDate\") = 2004
AND c.\"eventStateOrRegion\" = 'MT' AND c.\"eventCountry\" = 'USA'
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE year(c."eventDate") = 2004 AND c."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA' ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB SEA05LA032Accident · No injuriesLimited investigationFinal reportAerostar 601 · Hamilton, MTA partial loss of engine power due to the lack of lubrication and subsequent failure of the left engine's right turbocharger for undetermined reasons, and subsequent forced landing after takeoff. A factor was the unsuitable terrain for the forced landing.NTSB SEA05FA023Accident · 3 fatalField investigationFinal reportCirrus Design SR22 · Belgrade, MTThe pilot's failure to maintain altitude/clearance while maneuvering in mountainous terrain, which resulted in an inflight collision with trees and terrain. Contributing factors were the mountainous terrain and the downdraft.NTSB SEA05LA011Accident · No injuriesLimited investigationFinal reportCessna T210H · Missoula, MTThe pilot's failure to follow published procedures/directives (inducing excessive fuel flow to the engine), and the subsequent loss of engine power for nonmechanical reasons while on final approach. Contributing factors were the utility pole and the ditch.NTSB SEA05LA001Accident · Minor injuriesLimited investigationFinal reportAviat A-1 · Winifred, MTThe pilot's failure to maintain airspeed which resulted in an aerodynamic stall while maneuvering.NTSB SEA05LA010Accident · No injuriesLimited investigationFinal reportBeech 99A · Billings, MTthe pilot's failure to follow the instrument approach procedure, which resulted in a premature descent below the decision height and subsequent collision with a building.NTSB SEA05LA002Accident · Minor injuriesLimited investigationFinal reportCessna 150G · Augusta, MTThe pilot's failure to maintain adequate obstacle clearance which resulted in the in-flight collision with rising terrain. Trees and rising terrain are factors in the accident.NTSB SEA04GA192Accident · 3 fatalFinal reportCessna U206G · Essex, MTThe pilot's misidentification of the airplane's location, which resulted in his improper decision to fly into the wrong drainage, and his failure to maintain terrain clearance while executing a turn to reverse course after he realized his navigational error.…NTSB SEA04FA173Accident · 2 fatalField investigationFinal reportBeech C35 · Kalispell, MTThe pilot's improper positioning of the fuel tank selector, which resulted in fuel starvation and a subsequent loss of engine power while maneuvering.NTSB SEA04LA168Accident · 1 fatalLimited investigationFinal reportCessna 150L · Angela, MTThe failure of the pilot to maintain clearance while maneuvering. A factor contributing to the accident was the physical impairment of the pilot due to an elevated blood alcohol level.NTSB SEA04FA166Accident · 2 fatalField investigationFinal reportBeech BE-99 · Neihart, MTThe pilot's failure to maintain adequate terrain clearance during cruise, which resulted in the in-flight collision with mountainous terrain. Dark night conditions and mountainous terrain were contributing factors.NTSB SEA04CA151Accident · No injuriesData collectionFinal reportPiper PA22-20 · Wht Sulphur Spg, MTThe failure of the private pilot receiving flight training for a tail wheel endorsement to maintain aircraft control, and his excessive braking during the landing roll, subsequently nosing over the airplane. A contributing factor was the flight instructor's…NTSB SEA04CA142Accident · No injuriesData collectionFinal reportCessna 182N · Bainville, MTThe pilot's misjudgment of his airspeed on landing, and his subsequent overrunning of the runway. A contributing factor was the trees.NTSB SEA04CA138Accident · No injuriesData collectionFinal reportCessna A185F · Cut Bank, MTThe pilot's failure to maintain directional control during the takeoff roll.NTSB SEA04LA119Accident · 2 fatalLimited investigationFinal reportApco Powered Parachute · Wolf Point, MTThe pilot's loss of control as a result of trying a low altitude quick turning maneuver. A factor was the pilot's lack of experience in the aircraft.NTSB SEA04LA118Accident · No injuriesLimited investigationFinal reportMaule M-7-235C · Miles City, MTThe pilot's failure to maintain directional control of the aircraft during the landing roll resulting in a main landing gear collapse.NTSB SEA04LA117Accident · No injuriesLimited investigationFinal reportCessna 185F · Bozeman, MTThe failure of the right main gear brake disk attach flange during the landing roll, due to fatigue cracks emanating from numerous corrosion pits present on the surface of the disk, leading to the right brake becoming totally inoperative, and resulting in a…NTSB SEA04LA101Accident · Minor injuriesLimited investigationFinal reportPiper PA-18A · Trego, MTFailure to maintain clearance from trees during the initial climb.NTSB SEA04LA098Accident · Minor injuriesLimited investigationFinal reportPiper PA-18-150 · Columbus, MTThe pilot's failure to maintain directional control of the aircraft during the landing and subsequent go-around. Inadequate compensation for the gusting winds and an airport hangar were factors.NTSB SEA04LA094Accident · No injuriesLimited investigationFinal reportBeech P-35 · Havre, MTA loss of engine power due to fuel starvation during the initial climb after takeoff as a result of an unsecured fuel sender unit which resulted in a false fuel quantity indication.NTSB SEA04LA084Accident · No injuriesLimited investigationFinal reportPiper J4/E · Bigfork, MTA loss of engine power due to fuel exhaustion while in cruise flight as a result of inadequate preflight planning / preparation. Factors contributing to the accident were the short landing field and trees.NTSB SEA04LA087Accident · No injuriesLimited investigationFinal reportCessna 185A · Polson, MTThe pilot's inadequate compensation for the changing wind conditions at the time of the landing. Factors include gusty, variable, crosswinds, and a runway marker near the edge of the runway the pilot was landing on.NTSB SEA04LA080Accident · Minor injuriesLimited investigationFinal report2003 Nash Kitfox II · Broadview, MTFuel starvation during cruise flight for undetermined reasons. Unsuitable terrain for a forced landing was a factor.NTSB SEA04LA196Accident · No injuriesLimited investigationFinal reportDornier DO27A4 · Marion, MTThe pilot's improper landing flare resulting in a hard landing.NTSB SEA04LA077Accident · No injuriesLimited investigationFinal reportPiper PA-18-105 · Laurel, MTThe pilot's failure to maintain adequate clearance/altitude while maneuvering resulting in the inadvertent in-flight collision with water/terrain.NTSB SEA04LA067Accident · No injuriesLimited investigationFinal reportChampion 7ECA · Hardin, MTThe pilot's failure to perform a go-around. Contributing factors were the pilot's misjudgment of speed and distance and the tree.NTSB SEA04LA061Accident · No injuriesLimited investigationFinal reportCessna 305A · Bozeman, MTThe pilot's failure to maintain directional control during the landing roll in the tail wheel-equipped aircraft, leading to an inadvertent ground-loop, during which the aircraft's wing impacted the ground.NTSB SEA04LA069Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Marion, MTThe pilot's failure to maintain directional control during the landing roll. Contributing factors were the gust of wind and the snowbank.NTSB SEA04LA044Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Laurel, MTThe student pilot's failure to maintain aircraft control during the landing roll. Inadequate remedial action was a factor.NTSB SEA04FA032Accident · 4 fatalField investigationFinal reportCessna 182G · Glasgow, MTLoss of aircraft control resulting in an in-flight collision with terrain. Factors include marginal weather and dark night conditions.